Oswald Nursery
1650 N Algona St, Dubuque, IA 52001
Business information on this page (including hours, address, phone number, rating, and licence status) is provided for reference only. Some fields carry their own as-of date; others may be older than they appear. Contact the business directly to confirm current information before visiting or purchasing. See our full Disclaimer.
5.0 ★ (11 Google reviews) · as of 2026-08-06
State-licensed in IA as of 2026-08-04 , source registry · how we verify this
Growing conditions
- USDA hardiness zone
- 5a
- Avg. minimum winter temp
- -20°F
- Median frost dates
- First ~Oct 21 · Last ~Apr 19
Frost dates: NOAA 1991–2020 Climate Normals, nearest station (DUBUQUE L&D 11, IA US, 3.9 km away) .
What's plantable right now
Nothing in our crop table has an open planting window for this ZIP right now, check back soon.
Planting windows and crop timing here are computed from USDA/NOAA climate data and the university extension sources cited below, not a site visit or soil test. Treat this as a starting point: local conditions vary, and a local nursery or extension office can advise on your exact site. See our full Disclaimer.
Nearby nurseries
- Butt's Florist Dubuque, IA 1.3 mi away
- Planted. Dubuque, IA 1.5 mi away
- Hy-Vee Lawn & Garden Dubuque, IA 1.6 mi away
- Hy-Vee Lawn & Garden Dubuque, IA 1.7 mi away
- Lowe's Home Improvement Dubuque, IA 2.2 mi away
- Lowe's Garden Center Dubuque, IA 2.3 mi away
Frequently asked questions
- What type of business is Oswald Nursery?
- Oswald Nursery is classified as a grower in Dubuque, IA.
- Is Oswald Nursery state-licensed?
- Yes, Oswald Nursery appears in IA's state nursery/dealer licensing registry, as of 2026-08-04.
- What USDA growing zone is Oswald Nursery in?
- Oswald Nursery (ZIP 52001) is in USDA hardiness zone 5a, with an average minimum winter temperature of -20°F.
Source: State-licensed & Google Business Profile. Last checked 2026-08-06. See something wrong? Request a correction or removal →